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https://github.com/c64scene-ar/llvm-6502.git
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c94da20917
Summary: DataLayout keeps the string used for its creation. As a side effect it is no longer needed in the Module. This is "almost" NFC, the string is no longer canonicalized, you can't rely on two "equals" DataLayout having the same string returned by getStringRepresentation(). Get rid of DataLayoutPass: the DataLayout is in the Module The DataLayout is "per-module", let's enforce this by not duplicating it more than necessary. One more step toward non-optionality of the DataLayout in the module. Make DataLayout Non-Optional in the Module Module->getDataLayout() will never returns nullptr anymore. Reviewers: echristo Subscribers: resistor, llvm-commits, jholewinski Differential Revision: http://reviews.llvm.org/D7992 From: Mehdi Amini <mehdi.amini@apple.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231270 91177308-0d34-0410-b5e6-96231b3b80d8
42 lines
1.5 KiB
LLVM
42 lines
1.5 KiB
LLVM
; RUN: opt -constmerge -S < %s | FileCheck %s
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; Test that in one run var3 is merged into var2 and var1 into var4.
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; Test that we merge @var5 and @var6 into one with the higher alignment
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declare void @zed(%struct.foobar*, %struct.foobar*)
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%struct.foobar = type { i32 }
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@var1 = internal constant %struct.foobar { i32 2 }
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@var2 = unnamed_addr constant %struct.foobar { i32 2 }
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@var3 = internal constant %struct.foobar { i32 2 }
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@var4 = unnamed_addr constant %struct.foobar { i32 2 }
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; CHECK: %struct.foobar = type { i32 }
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; CHECK-NOT: @
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; CHECK: @var2 = constant %struct.foobar { i32 2 }
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; CHECK-NEXT: @var4 = constant %struct.foobar { i32 2 }
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declare void @helper([16 x i8]*)
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@var5 = internal constant [16 x i8] c"foo1bar2foo3bar\00", align 16
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@var6 = private unnamed_addr constant [16 x i8] c"foo1bar2foo3bar\00", align 1
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@var7 = internal constant [16 x i8] c"foo1bar2foo3bar\00"
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@var8 = private unnamed_addr constant [16 x i8] c"foo1bar2foo3bar\00"
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; CHECK-NEXT: @var7 = internal constant [16 x i8] c"foo1bar2foo3bar\00"
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; CHECK-NEXT: @var8 = private constant [16 x i8] c"foo1bar2foo3bar\00", align 16
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@var4a = alias %struct.foobar* @var4
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@llvm.used = appending global [1 x %struct.foobar*] [%struct.foobar* @var4a], section "llvm.metadata"
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define i32 @main() {
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entry:
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call void @zed(%struct.foobar* @var1, %struct.foobar* @var2)
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call void @zed(%struct.foobar* @var3, %struct.foobar* @var4)
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call void @helper([16 x i8]* @var5)
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call void @helper([16 x i8]* @var6)
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call void @helper([16 x i8]* @var7)
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call void @helper([16 x i8]* @var8)
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ret i32 0
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}
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